加拿大幅员辽阔,从大西洋西岸到太平洋东岸横跨6000公里,国土面积达1000万平方公里。由于加拿大北部地区气候十分寒冷,居民很少,故绝大部分工业、贸易均集中在南部与美国相邻的地带。与此相适应,这一地区交 With a vast territory spanning 6,000 kilometers from the west coast of the Atlantic to the east coast of the Pacific Ocean, Canada has a land area of ​​10 million square kilometers. Since the climate in northern Canada is very cold with few inhabitants, the vast majority of industries and trade are concentrated in the southern part adjacent to the United States. In line with this, pay in this area